Home / 19,786.10-27,304.81-10,834.16

Finding the Fourth Proportional to 19,786.10, 27,304.81 and 10,834.16

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Solution

The fourth proportional to 19,786.10, 27,304.81 and 10,834.16 is: 14,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.10 : 27,304.81 = 10,834.16 : x
  2. Step 2: Convert to fraction form
    19,786.10/27,304.81 = 10,834.16/x
  3. Step 3: Cross multiply
    19,786.10x = 27,304.81 × 10,834.16
  4. Step 4: Simplify right side
    19,786.10x = 295,824,516.70
  5. Step 5: Solve for x
    x = 295,824,516.70/19,786.10
  6. Step 6: Final answer
    x = 14,951.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.